n = 4
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Pseudostegophilus haemomyzon | (Myers, 1942) | Pseudostegophilus haemomyzon | Trichomycteridae | |
| Pseudostegophilus nemurus | (Günther, 1869) | Pseudostegophilus nemurus | Trichomycteridae | |
| Pseudostegophilus paulensis | Miranda Ribeiro, 1918 | Parastegophilus paulensis | Trichomycteridae | |
| Pseudostegophilus scarificator | Ihering, 1930 | Parastegophilus paulensis | Trichomycteridae |